diff --git a/platformio_esp32_solo1.ini b/platformio_esp32_solo1.ini
index 5fa454a52..ce4168c35 100644
--- a/platformio_esp32_solo1.ini
+++ b/platformio_esp32_solo1.ini
@@ -18,6 +18,7 @@ build_unflags             = ${esp32_base.build_unflags}
 ; IDF 5.1.2
 [esp32_solo1_common_LittleFS]
 extends                   = esp32_base_idf5
+platform_packages         = framework-arduino-solo1 @ https://github.com/Jason2866/esp32-arduino-lib-builder/releases/download/1878/framework-arduinoespressif32-solo1-release_v5.1-88d1438.zip
 build_flags               = ${esp32_base_idf5.build_flags}
                             -DFEATURE_ARDUINO_OTA=1
                             -DUSE_LITTLEFS